Fourth Ring Road. Huayang Street, Tianfu New District, Chengdu, is located in the south of Chengdu, outside the Jincheng Lake section of the south section of Chengdu Fourth Ring Road. Chengdu, also known as Rongcheng and Jincheng, is located in the middle of Sichuan Province. It is the capital and sub-provincial city of Sichuan Province, one of the first national historical and cultural cities in China, and an important central city in Southwest China.